import axios from 'axios'
import { ElNotification, ElMessageBox, ElMessage } from 'element-plus';
import errorCode from '@/utils/errorCode';
import tokenUtil from '@/utils/token';

// 创建axios实例
const service = axios.create({
  // baseURL: 'http://localhost:8080',
  baseURL: import.meta.env.VITE_APP_BASE_API,
  timeout: 10000
});

// request拦截器
service.interceptors.request.use(config => {
  // 添加请求头
  // console.log(tokenUtil.getToken());
  if (tokenUtil.getToken()) {
    config.headers['Authorization'] = tokenUtil.getToken();
  }
  return config;
}, error => {
  Promise.reject(error);
});

// 响应拦截器
service.interceptors.response.use(
  res => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || 0;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default'];

    if (code === 401) {
      ElMessageBox.confirm('登录状态已过期，请重新登录', '系统提示', {
        showCancelButton: false,
        confirmButtonText: '确定',
        type: 'warning'
      });
      return Promise.reject('登录状态已过期，请重新登录。');
    } else if (code === 500) {
      ElMessage({ message: msg, type: 'error' });
      return Promise.reject(new Error(msg));
    } else if (code !== 200) {
      ElNotification.error({ title: msg });
      return Promise.reject('error');
    }
    return Promise.resolve(res.data);
  },
  error => {
    console.error('err: ' + error);
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    ElMessage({ message: message, type: 'error', duration: 5 * 1000 });
    return Promise.reject(error);
  }
);

export default service;